I tried the provisioning manager example code from the examples.
I changed the sample to use wifi provisioning
Code: Select all
void app_main()
{
/* Initialize NVS partition */
esp_err_t ret = nvs_flash_init();
if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
/* NVS partition was truncated
* and needs to be erased */
ESP_ERROR_CHECK(nvs_flash_erase());
/* Retry nvs_flash_init */
ESP_ERROR_CHECK(nvs_flash_init());
}
/* Initialize TCP/IP */
tcpip_adapter_init();
/* Initialize the event loop */
ESP_ERROR_CHECK(esp_event_loop_create_default());
wifi_event_group = xEventGroupCreate();
/* Initialize mDNS */
esp_err_t err = mdns_init();
if (err)
{
printf("MDNS Init failed: %d\n", err);
return;
}
//set hostname
mdns_hostname_set("foobarfoo");
//set default instance
mdns_instance_name_set("MyFooDevice");
/* Register our event handler for Wi-Fi, IP and Provisioning related events */
ESP_ERROR_CHECK(esp_event_handler_register(WIFI_PROV_EVENT, ESP_EVENT_ANY_ID, &event_handler, NULL));
ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &event_handler, NULL));
ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &event_handler, NULL));
/* Initialize Wi-Fi */
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
/* Configuration for the provisioning manager */
wifi_prov_mgr_config_t config = {
/* What is the Provisioning Scheme that we want ?
* wifi_prov_scheme_softap or wifi_prov_scheme_ble */
.scheme = wifi_prov_scheme_softap,
/* Any default scheme specific event handler that you would
* like to choose. Since our example application requires
* neither BT nor BLE, we can choose to release the associated
* memory once provisioning is complete, or not needed
* (in case when device is already provisioned). Choosing
* appropriate scheme specific event handler allows the manager
* to take care of this automatically. This can be set to
* WIFI_PROV_EVENT_HANDLER_NONE when using wifi_prov_scheme_softap*/
.scheme_event_handler = WIFI_PROV_EVENT_HANDLER_NONE
};
/* Initialize provisioning manager with the
* configuration parameters set above */
ESP_ERROR_CHECK(wifi_prov_mgr_init(config));
bool provisioned = false;
/* Let's find out if the device is provisioned */
ESP_ERROR_CHECK(wifi_prov_mgr_is_provisioned(&provisioned));
/* If device is not yet provisioned start provisioning service */
if (!provisioned) {
ESP_LOGI(TAG, "Starting provisioning");
/* What is the Device Service Name that we want
* This translates to :
* - Wi-Fi SSID when scheme is wifi_prov_scheme_softap
* - device name when scheme is wifi_prov_scheme_ble
*/
char service_name[12];
get_device_service_name(service_name, sizeof(service_name));
/* What is the security level that we want (0 or 1):
* - WIFI_PROV_SECURITY_0 is simply plain text communication.
* - WIFI_PROV_SECURITY_1 is secure communication which consists of secure handshake
* using X25519 key exchange and proof of possession (pop) and AES-CTR
* for encryption/decryption of messages.
*/
wifi_prov_security_t security = WIFI_PROV_SECURITY_0;
/* Do we want a proof-of-possession (ignored if Security 0 is selected):
* - this should be a string with length > 0
* - NULL if not used
*/
const char *pop = "abcd1234";
/* What is the service key (could be NULL)
* This translates to :
* - Wi-Fi password when scheme is wifi_prov_scheme_softap
* - simply ignored when scheme is wifi_prov_scheme_ble
*/
const char *service_key = NULL;
/* This step is only useful when scheme is wifi_prov_scheme_ble. This will
* set a custom 128 bit UUID which will be included in the BLE advertisement
* and will correspond to the primary GATT service that provides provisioning
* endpoints as GATT characteristics. Each GATT characteristic will be
* formed using the primary service UUID as base, with different auto assigned
* 12th and 13th bytes (assume counting starts from 0th byte). The client side
* applications must identify the endpoints by reading the User Characteristic
* Description descriptor (0x2901) for each characteristic, which contains the
* endpoint name of the characteristic */
uint8_t custom_service_uuid[] = {
/* LSB <---------------------------------------
* ---------------------------------------> MSB */
0x21, 0x43, 0x65, 0x87, 0x09, 0xba, 0xdc, 0xfe,
0xef, 0xcd, 0xab, 0x90, 0x78, 0x56, 0x34, 0x12
};
wifi_prov_scheme_ble_set_service_uuid(custom_service_uuid);
/* Start provisioning service */
ESP_ERROR_CHECK(wifi_prov_mgr_start_provisioning(security, pop, service_name, service_key));
/* Uncomment the following to wait for the provisioning to finish and then release
* the resources of the manager. Since in this case de-initialization is triggered
* by the default event loop handler, we don't need to call the following */
// wifi_prov_mgr_wait();
// wifi_prov_mgr_deinit();
} else {
ESP_LOGI(TAG, "Already provisioned, starting Wi-Fi STA");
/* We don't need the manager as device is already provisioned,
* so let's release it's resources */
wifi_prov_mgr_deinit();
/* Start Wi-Fi station */
wifi_init_sta();
}
/* Wait for Wi-Fi connection */
xEventGroupWaitBits(wifi_event_group, WIFI_CONNECTED_EVENT, false, true, portMAX_DELAY);
/* Start main application now */
while (1) {
ESP_LOGI(TAG, "Hello World!");
vTaskDelay(1000 / portTICK_PERIOD_MS);
}
Code: Select all
<html lang="en">
<head>
<title>Prov Test</title>
</head>
<form action="http://foobarfoo/proto-ver" method="post">
<input type="submit" value="Submit">
</form>
</html>
Code: Select all
.
.
.
I (730) app: Starting provisioning
I (820) phy: phy_version: 4180, cb3948e, Sep 12 2019, 16:39:13, 0, 0
I (820) wifi: mode : sta (a4:cf:12:1e:44:14)
I (830) wifi: mode : sta (a4:cf:12:1e:44:14) + softAP (a4:cf:12:1e:44:15)
I (830) wifi: Total power save buffer number: 16
I (830) wifi: Init max length of beacon: 752/752
I (840) wifi: Init max length of beacon: 752/752
I (840) wifi: Total power save buffer number: 16
I (860) wifi_prov_mgr: Provisioning started with service name : PROV_1E4414
I (860) app: Provisioning started
I (11850) wifi: new:<1,1>, old:<1,0>, ap:<1,1>, sta:<0,0>, prof:1
I (11850) wifi: station: 40:a3:cc:a0:c3:0a join, AID=1, bgn, 40U
I (12040) tcpip_adapter: softAP assign IP to station,IP is: 192.168.4.2
E (22400) protocomm_httpd: Content length not found
W (22400) httpd_uri: httpd_uri: uri handler execution failed
Where can I find an api reference how to use the provisioning manager?
Best regards
Stomper
